Question: To whom was Osip Mandelstam married in the year 1922?
Paraphrase: To whom was Osip Mandelstam hitched within the year 1922?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q189950 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1922')) }